Home / 28,590.14-39,424.65-22,612.34

Finding the Fourth Proportional to 28,590.14, 39,424.65 and 22,612.34

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Solution

The fourth proportional to 28,590.14, 39,424.65 and 22,612.34 is: 31,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.14 : 39,424.65 = 22,612.34 : x
  2. Step 2: Convert to fraction form
    28,590.14/39,424.65 = 22,612.34/x
  3. Step 3: Cross multiply
    28,590.14x = 39,424.65 × 22,612.34
  4. Step 4: Simplify right side
    28,590.14x = 891,483,590.18
  5. Step 5: Solve for x
    x = 891,483,590.18/28,590.14
  6. Step 6: Final answer
    x = 31,181.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.